# Radon Eye Plus vs Corentium Pro by Airthings

The clearest difference is rating: Radon Eye Plus at 3.5 against Corentium Pro by Airthings's 2.3. Radon Eye Plus also leads on review sentiment (33% vs 21%) and iOS requirement (9.0 vs 14.0). Corentium Pro by Airthings's advantage is ratings volume (24 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Radon Eye Plus holds the better App Store score, 3.5 against 2.3. That said, the two scores are not equally well evidenced: Corentium Pro by Airthings has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 33% of Radon Eye Plus's written reviews are positive against 21% of Corentium Pro by Airthings's.

Radon Eye Plus ships an update monthly, Corentium Pro by Airthings every 2 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Radon Eye Plus | Corentium Pro by Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/radon-eye-plus/id1284320339/reviews)** | [2.3 (24 ratings)](https://appshunter.io/ios/app/corentium-pro-by-airthings/id1493964577/reviews) |
| Number of ratings | 4 | **24** |
| Positive reviews | **33.3% of reviews** | 20.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 44 MB | 57 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FTLab](https://appshunter.io/developer/897369751) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## What reviewers say

### Radon Eye Plus

[App page](https://appshunter.io/ios/app/radon-eye-plus/id1284320339)

This app connects to a RadonEyePlus device to monitor radon levels. It allows you to download measurement logs and visualize radon concentration data over time with graphs.

**Highlights:** Monitors radon measurement information, Downloads log data, Displays radon values as a graph, Connects with RadonEyePlus devices

**Features:** macOS Compatibility

**In-app purchases:** none


### Corentium Pro by Airthings

[App page](https://appshunter.io/ios/app/corentium-pro-by-airthings/id1493964577)

This application connects to a specific radon instrument to initiate tests, collect data, and create customized reports. It features a redesigned interface for easier navigation and an online dashboard for data storage and analysis. Professionals can add property details, photos, and secure instruments to their company.

**Highlights:** Connect to Corentium Pro Radon instrument, Start radon tests remotely, Retrieve test data, Generate custom reports, Redesigned user interface, Online dashboard for data storage, Secure instrument to company

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Radon Eye Plus free?

Radon Eye Plus is free to download, with no in-app purchases.

### Is Corentium Pro by Airthings free?

Corentium Pro by Airthings is free to download, with no in-app purchases.

### Which has better reviews, Radon Eye Plus or Corentium Pro by Airthings?

Radon Eye Plus is rated higher. Radon Eye Plus averages 3.5 out of 5 from 4 ratings, while Corentium Pro by Airthings averages 2.3 from 24 ratings.

### Do Radon Eye Plus or Corentium Pro by Airthings have ads?

Neither Radon Eye Plus nor Corentium Pro by Airthings shows ads.

### Which is updated more often, Radon Eye Plus or Corentium Pro by Airthings?

Radon Eye Plus ships an update monthly, and Corentium Pro by Airthings every 2 months. Most recently, Radon Eye Plus was updated on October 19, 2026 and Corentium Pro by Airthings on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*